Preparation before construction 1.1 Preparation on site Before the construction of stone products, the construction of the base concrete should be completed and reach a certain strength. The indoor construction should be coordinated before the start of construction, and the outdoor construction unit should make the site handover work to create conditions for timely start-up. The construction site control network measures, according to the original coordinate reference point and elevation of the site, according to the requirements of the design drawings, the main control axis is measured and placed, and the stone paving line is measured and placed by each axis. Organize construction machinery and equipment to enter the site, according to the construction machinery demand plan, store according to the specified location and mode, and should carry out corresponding maintenance and trial operation. Organize the construction materials to enter the site, according to the design drawings, the stone manufacturers enter the processing and production, organize the materials according to the site construction conditions, store or store according to the specified location and manner. 1.2 Technical preparation Familiar with and review the construction drawings, and deepen the layout layout of each area, and actively communicate and negotiate with the design, supervision, and owners. Prepare an implementation construction plan and provide technical disclosure to construction personnel. Personnel at all levels on the site must carefully study technical documents such as construction plans and construction specifications to reduce and avoid construction errors. Do a good job in connection with the outdoor surface related projects, and determine the connection with each major. 1.3 Material preparation Propose the material plan in time according to the required material specifications and requirements, and determine the source of the material. . Organizational materials come into play. Organize materials in batches according to the material supply plan, store them according to the specified locations, and do a good job of covering them. At the same time, all kinds of incoming materials are subjected to sampling test, and the unqualified products are resolutely returned. 1.4 Construction equipment preparation The mechanical equipment will enter the market in batches according to the use plan, and the equipment will be inspected and maintained before entering the site. For equipment that needs to be purchased or leased, a purchase contract or a lease agreement is pre-approved to ensure smooth construction. The quality of the project and the guarantee of progress are largely related to the advanced nature and applicability of the construction equipment. The project department will reasonably equip the advanced equipment and equipment according to the actual situation and the needs of each type of work and process. Selecting technical operators with high professional level to maximize the technological advancement and applicability of machine tools, fully meet the needs of the process, so as to ensure the quality of the project. Stone floor paving process 2.1 positioning According to the design requirements of the drawings, the center line is first determined by the theodolite, and then the center axis is determined by the theodolite according to the requirements provided. Then, according to the level control point provided by the design, the horizontal level line is drawn by the water level meter, and the horizontal line is the elevation line of the square ground. According to the arrangement of the cardboard blocks of the design drawing, pull the "well" line, and make a horizontal point and correct 90. Plates with 'cracks, corners, warpage and surface defects should be removed, different types of plates should not be mixed; before laying, should be based on the color, pattern, pattern, texture, etc. of the stone, try Numbering. 2.2 The construction site is kept clean Stone products should avoid contamination of the surface with cement mortar or colored materials. Before the stone paving, first clean the surface of the stone, make it clean and dry, then use a plate brush (brush) or roller to brush the protective agent on the front and four sides of the stone. For best results, the first layer should be completely infiltrated (1~2 hours) and brushed a second time. After the treatment is completed, it can be paved for at least 24 hours. 2.3 Paving points Thoroughly clear the rubbish on the floor, wash it with water and fully wet it, then spread the grout, that is, lay a 1:4 semi-dry hard cement mortar as a cushion according to the fixed horizontal line and grid line, and then pre-lay the stone. Pressing, pre-pressing, picking up the stone, and leveling the cement sand cushion to avoid the phenomenon of empty drums. Then, a layer of plain cement slurry is uniformly poured on the cement sand cushion layer, and finally the stone is stoned, and the stone is hammered and leveled from the middle to the periphery with a wooden hammer to achieve the prescribed flatness. 2.4 Gluing For the stone splicing that requires tight seams, it is not necessary to use glue; the design requires the seam to be grounded, and the glue needs to be glued into the gap; in order to ensure the quality of the glue, the foam strip prepared in advance is inserted into the stone gap, reserved Good glue size, neither need to be too deep, nor too shallow, require compactness, and glue the tape on the edge of the stone. Generally, the depth of the glue is not more than 5mm, so that the rainwater can not penetrate into the foundation. After the completion, gently peel off the tape paper so that the glue edges are in a straight line. 2.5 Cleaning and waxing After the installation, the stone panel surface is thoroughly cleaned with a cleaning agent, and the stone is crystallized and hardened after completion. 2.6 Stone surface paving quality assurance measures Before the construction, the elevation and cross slope of the silicon should be checked and the design requirements should be met after the dressing. According to the actual length (width) of the prepared stone, the width of the gap between the stone and the stone is reserved, and the square coordinates are determined. Pay attention to the size measured by the steel ruler. To be accurate, the paving brick adopts a 3cm 14 cement mortar pad. Layer, the stone should be lightly handled, and the corners of the stone should not be damaged. It is strictly forbidden to fill the sand prize or the pad brick under the stone. After the stone is paved, check the flatness and stability. If the unevenness is found, immediately repair and maintain The period should not be less than 3 days, and the period does not allow people and vehicles to move or collide. Finally, the stone surface is thoroughly cleaned with a cleaning agent to ensure a clean and beautiful surface. Flower Rock (Roman Stone) Paving The flower rock surface pavement is an important quality control for the pavement of the garden road. It must be controlled by the elevation, the compactness of the joint layer and the finished cement concrete surface layer after the paving, according to the design elevation and position. For the transverse piles and the longitudinal piles, the longitudinal line is 1 width per plate, and the transverse line moves downward according to the construction progress, and the moving distance is the length of the plate. After sweeping the cement brick surface layer, sprinkle a layer of water. After drying slightly, firstly dry the 12.5 dry hard cement mortar on the stable layer. The thickness is 3cm as the bonding layer. level. Lay a layer of cement slurry on the top, and then lay it according to the pattern of the set. Note that the gap is kept consistent according to the design requirements. For each piece of the surface layer, use a flat wooden board to pad the top surface with a rubber hammer. Vibrate in multiple places (or paddle the board and hammer it on the board) so that the top surfaces of all the slate are kept in a flat surface, which makes the road paved very flat. After the flower rock is laid, use dry cement powder to spread on the road surface and sweep into the gap of the block to fill the gap, and finally clean the excess sand. Later, the cement mortar under the slate is slowly hardened, so that the plate is tightly combined with the stable layer below. After the construction is completed, it should be watered for maintenance. Newstar Hardware Co.,Ltd. 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